Questions tagged [uranus]
Questions regarding Uranus, the 7th planet from Earth's sun.
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What is the accepted theory as to why Uranus' axis is tilted so severely?
The planet Uranus is another solar system anomaly, where according to the NASA profile has an axial tilt of 97.8 degrees, also considered to be retrograde. This NASA summary "Uranus" suggests the ...
user8
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Could Neptune be viewed with the naked eye from Uranus?
Which star or planet in our night sky can match what Neptune would look like when viewed from Uranus, or one of its moons?
The answer would be for the most favourable condition, which is when Neptune ...
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Is Uranus the farthest object in Solar System that you can see with naked eyes?
The following text is from this article:
The fact is, even at its brightest, Uranus is still quite faint. It’s barely perceptible as a dim speck of light to the unaided eye, even under dark skies. At ...
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Are there any planetary ring system other than "Phoebe ring" not aligned to the equatorial plane?
Continuation of: Is it possible for planetary rings to be perpendicular (or near perpendicular) to the planet's orbit around the host star?
The answers discussed about Uranian ring system and how ...
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Uranus' axis of rotation-when discovered?
Who discovered it, and how was that accomplished. I had assumed it was known before Voyager 2 arrived at the planet since it isn't mentioned in JPL voyager 2 Uranus Approach
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Why is Uranus called a "green planet"?
Uranus is called a green planet, although it appears blue in many of the photographs including those taken by spacecraft, like Voyager 2, Hubble, and JWST. NASA's Uranus page mentions it to be bluish-...
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If the axial tilt of Uranus (97°) was caused by a giant impact, then why do its moons orbit around its equator at the same tilt (≈97°)?
So the most accepted explanation for Uranus' axial tilt is that it once had a normal tilt like the other planets bar Venus (0° to 30°), but then a certain massive object collided with it and flipped ...
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Why do Uranus and Neptune have more methane than Jupiter and Saturn?
So the standard theory of the solar nebula is that in the region of the gas planets, ice and rock could condense to form planetesimals, which could then accrete hydrogen and helium to form the gas ...
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What are the current accepted theories of the formation of the Uranian moon Miranda?
Miranda, a moon of Uranus is unique in that it has a very fractured surface
Source: University of Oregon
The surface is said to be jagged and fractured, with comparatively large disjointed cliffs ...
user8
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What is the nature of bright spots found on Uranus?
The following text is from space.com which was written during the time of discovery of the first dark spot on Uranus:
During the past decade, many bright spots have been seen on Uranus in
both red ...
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What is the underlying nature of the dark spot found on Uranus?
What is the nature of bright spots found on Uranus? actually quotes Space.com's Uranus Has a Dark Spot which says:
During the past decade, many bright spots have been seen on Uranus in both red and ...
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Why was Neptune rather than Uranus chosen as an archetype?
The largest exoplanets are typically called Jupiter-like planets, or hot/cold Jupiters. Since Jupiter is the largest most massive planet in our Solar system, it makes sense that it would be chosen as ...
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Aren't there any rock or similar firm material on/in the gas giant planets?
Aren't there any rock or similar firm material on/in the gas giant planets? What happens if a rock asteroid hits one of these planets? Shouldn't the rock accumulate in the center of the planet due to ...
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Why are heavier hydrocarbons not present in lower part of Uranian atmosphere?
I recently answered this question. While researching for the answer, I found one point quite counter-intuitive. The heavier hydrocarbons resides in stratosphere while methane, the lightest hydrocarbon ...
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Why are gas giants colored the way they are?
As I understand it, Jupiter, Saturn, Uranus, and Neptune are all made primarily from varying proportions of hydrogen and helium. Despite this, Jupiter is very red, Saturn is yellow, and Uranus and ...
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What constraints are there on solid material in the ice giants?
Recently there has been experimental verification of superionic water ice (suggested to be called ice XVIII, not sure if this nomenclature is official yet), which turns out to be a solid (or at ...
user24157
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First spectroscopic detection of Uranus' rotation?
As an undergraduate exercise quite a while ago, we placed the equator of Jupiter's disk across the slit of a high resolution grating spectrometer and then measured the tilt of the resulting line in ...
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What is Saturn’s apparent magnitude at its brightest when viewed from Uranus?
Considering that the apparent magnitude scale is an inverted scale; what is the lowest apparent magnitude of Saturn that can be seen from Uranus. We are of course talking about when Saturn is viewed ...
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